| ## |
| # Enumerable ISO Test |
| |
| assert('Enumerable', '15.3.2') do |
| assert_equal(Module, Enumerable.class) |
| end |
| |
| assert('Enumerable#all?', '15.3.2.2.1') do |
| assert_true([1,2,3].all?) |
| assert_false([1,false,3].all?) |
| |
| a = [2,4,6] |
| all = a.all? do |e| |
| e % 2 == 0 |
| end |
| assert_true(all) |
| |
| a = [2,4,7] |
| all = a.all? do |e| |
| e % 2 == 0 |
| end |
| assert_false(all) |
| end |
| |
| assert('Enumerable#any?', '15.3.2.2.2') do |
| assert_true([false,true,false].any?) |
| assert_false([false,false,false].any?) |
| |
| a = [1,3,6] |
| any = a.any? do |e| |
| e % 2 == 0 |
| end |
| assert_true(any) |
| |
| a = [1,3,5] |
| any = a.any? do |e| |
| e % 2 == 0 |
| end |
| assert_false(any) |
| end |
| |
| assert('Enumerable#collect', '15.3.2.2.3') do |
| assert_true [1,2,3].collect { |i| i + i } == [2,4,6] |
| end |
| |
| assert('Enumerable#detect', '15.3.2.2.4') do |
| assert_equal 1, [1,2,3].detect() { true } |
| assert_equal 'a', [1,2,3].detect(->{"a"}) { false } |
| end |
| |
| assert('Array#each_with_index', '15.3.2.2.5') do |
| a = nil |
| b = nil |
| |
| [1].each_with_index {|e,i| a = e; b = i} |
| |
| assert_equal(1, a) |
| assert_equal(0, b) |
| end |
| |
| assert('Enumerable#entries', '15.3.2.2.6') do |
| assert_equal([1], [1].entries) |
| end |
| |
| assert('Enumerable#find', '15.3.2.2.7') do |
| assert_equal 1, [1,2,3].find() { true } |
| assert_equal 'a', [1,2,3].find(->{"a"}) { false } |
| end |
| |
| assert('Enumerable#find_all', '15.3.2.2.8') do |
| assert_equal [2,4,6,8], [1,2,3,4,5,6,7,8,9].find_all() {|i| i%2 == 0} |
| end |
| |
| assert('Enumerable#grep', '15.3.2.2.9') do |
| assert_equal [4,5,6], [1,2,3,4,5,6,7,8,9].grep(4..6) |
| end |
| |
| assert('Enumerable#include?', '15.3.2.2.10') do |
| assert_true [1,2,3,4,5,6,7,8,9].include?(5) |
| assert_false [1,2,3,4,5,6,7,8,9].include?(0) |
| end |
| |
| assert('Enumerable#inject', '15.3.2.2.11') do |
| assert_equal 21, [1,2,3,4,5,6].inject() {|s, n| s + n} |
| assert_equal 22, [1,2,3,4,5,6].inject(1) {|s, n| s + n} |
| end |
| |
| assert('Enumerable#map', '15.3.2.2.12') do |
| assert_equal [2,4,6], [1,2,3].map { |i| i + i } |
| end |
| |
| assert('Enumerable#max', '15.3.2.2.13') do |
| a = ['aaa', 'bb', 'c'] |
| assert_equal 'c', a.max |
| assert_equal 'aaa', a.max {|i1,i2| i1.length <=> i2.length} |
| end |
| |
| assert('Enumerable#min', '15.3.2.2.14') do |
| a = ['aaa', 'bb', 'c'] |
| assert_equal 'aaa', a.min |
| assert_equal 'c', a.min {|i1,i2| i1.length <=> i2.length} |
| end |
| |
| assert('Enumerable#member?', '15.3.2.2.15') do |
| assert_true [1,2,3,4,5,6,7,8,9].member?(5) |
| assert_false [1,2,3,4,5,6,7,8,9].member?(0) |
| end |
| |
| assert('Enumerable#partition', '15.3.2.2.16') do |
| partition = [0,1,2,3,4,5,6,7,8,9].partition do |i| |
| i % 2 == 0 |
| end |
| assert_equal [[0,2,4,6,8], [1,3,5,7,9]], partition |
| end |
| |
| assert('Enumerable#reject', '15.3.2.2.17') do |
| reject = [0,1,2,3,4,5,6,7,8,9].reject do |i| |
| i % 2 == 0 |
| end |
| assert_equal [1,3,5,7,9], reject |
| end |
| |
| assert('Enumerable#select', '15.3.2.2.18') do |
| assert_equal [2,4,6,8], [1,2,3,4,5,6,7,8,9].select() {|i| i%2 == 0} |
| end |
| |
| assert('Enumerable#sort', '15.3.2.2.19') do |
| assert_equal [1,2,3,4,6,7], [7,3,1,2,6,4].sort |
| assert_equal [7,6,4,3,2,1], [7,3,1,2,6,4].sort {|e1,e2|e2<=>e1} |
| end |
| |
| assert('Enumerable#to_a', '15.3.2.2.20') do |
| assert_equal [1], [1].to_a |
| end |